EP3447807A4 - Light emitting device, display apparatus, and illumination apparatus - Google Patents
Light emitting device, display apparatus, and illumination apparatus Download PDFInfo
- Publication number
- EP3447807A4 EP3447807A4 EP17773672.5A EP17773672A EP3447807A4 EP 3447807 A4 EP3447807 A4 EP 3447807A4 EP 17773672 A EP17773672 A EP 17773672A EP 3447807 A4 EP3447807 A4 EP 3447807A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- light emitting
- emitting device
- display apparatus
- illumination
- illumination apparatus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005286 illumination Methods 0.000 title 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/075—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00
- H01L25/0753—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00 the devices being arranged next to each other
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/0025—Diffusing sheet or layer; Prismatic sheet or layer
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/0031—Reflecting element, sheet or layer
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
- G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
- G02B6/0073—Light emitting diode [LED]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/005—Processes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/58—Optical field-shaping elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/58—Optical field-shaping elements
- H01L33/60—Reflective elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/62—Arrangements for conducting electric current to or from the semiconductor body, e.g. lead-frames, wire-bonds or solder balls
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
- F21V2200/20—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of a generally planar shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133603—Direct backlight with LEDs
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133605—Direct backlight including specially adapted reflectors
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Engineering & Computer Science (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Planar Illumination Modules (AREA)
- Led Device Packages (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
- Liquid Crystal (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016070498 | 2016-03-31 | ||
PCT/JP2017/004220 WO2017169123A1 (en) | 2016-03-31 | 2017-02-06 | Light emitting device, display apparatus, and illumination apparatus |
Publications (3)
Publication Number | Publication Date |
---|---|
EP3447807A1 EP3447807A1 (en) | 2019-02-27 |
EP3447807A4 true EP3447807A4 (en) | 2019-03-20 |
EP3447807B1 EP3447807B1 (en) | 2023-09-06 |
Family
ID=59963918
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17773672.5A Active EP3447807B1 (en) | 2016-03-31 | 2017-02-06 | Light emitting device and a display apparatus |
Country Status (5)
Country | Link |
---|---|
US (1) | US10539733B2 (en) |
EP (1) | EP3447807B1 (en) |
JP (2) | JP6906500B2 (en) |
CN (2) | CN108701742B (en) |
WO (1) | WO2017169123A1 (en) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2484713A (en) | 2010-10-21 | 2012-04-25 | Optovate Ltd | Illumination apparatus |
EP3273297B1 (en) * | 2016-07-20 | 2021-05-26 | Nichia Corporation | Light emitting device |
DE112018002237T5 (en) | 2017-04-26 | 2020-01-09 | Citizen Electronics Co., Ltd. | BACKLIGHT |
US10836200B2 (en) | 2017-11-13 | 2020-11-17 | X Display Company Technology Limited | Rigid micro-modules with ILED and light conductor |
TWI649592B (en) * | 2018-01-15 | 2019-02-01 | 友達光電股份有限公司 | Display device |
GB201803767D0 (en) * | 2018-03-09 | 2018-04-25 | Optovate Ltd | Illumination apparatus |
GB201807747D0 (en) | 2018-05-13 | 2018-06-27 | Optovate Ltd | Colour micro-LED display apparatus |
CN109031788A (en) * | 2018-08-31 | 2018-12-18 | 青岛海信电器股份有限公司 | A kind of backlight module and display device |
US11205744B2 (en) | 2018-11-21 | 2021-12-21 | Nichia Corporation | Light emitting device |
JP7029077B2 (en) * | 2018-11-21 | 2022-03-03 | 日亜化学工業株式会社 | Luminescent device |
TW202102883A (en) | 2019-07-02 | 2021-01-16 | 美商瑞爾D斯帕克有限責任公司 | Directional display apparatus |
JP6787515B1 (en) * | 2019-08-02 | 2020-11-18 | 日亜化学工業株式会社 | Light emitting device and surface emitting light source |
DE102019218203A1 (en) * | 2019-11-25 | 2021-05-27 | OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung | LED BACKLIGHTING SYSTEM |
JP6924958B1 (en) * | 2020-01-31 | 2021-08-25 | 日亜化学工業株式会社 | Planar light source |
WO2021153561A1 (en) * | 2020-01-31 | 2021-08-05 | 日亜化学工業株式会社 | Planar light source |
US11287562B2 (en) | 2020-02-20 | 2022-03-29 | Reald Spark, Llc | Illumination apparatus including mask with plurality of apertures and display apparatus comprising same |
JP7032680B1 (en) | 2020-08-28 | 2022-03-09 | 日亜化学工業株式会社 | Light emitting device |
JP2022044482A (en) * | 2020-09-07 | 2022-03-17 | 日亜化学工業株式会社 | Planar light source |
DE102021113573A1 (en) * | 2021-05-26 | 2022-12-01 | OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung | BACKLIGHT UNIT |
US11927790B2 (en) * | 2021-07-21 | 2024-03-12 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Backlight module and display device |
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JP2007294191A (en) * | 2006-04-24 | 2007-11-08 | Fujifilm Corp | Light guide plate and planar lighting device using the same |
JP2009150940A (en) * | 2007-12-18 | 2009-07-09 | Toppan Printing Co Ltd | Optical sheet, back light unit, back light device, and display device |
WO2012023459A1 (en) * | 2010-08-20 | 2012-02-23 | シャープ株式会社 | Illuminating device, display device and television receiver |
US20120224366A1 (en) * | 2011-03-02 | 2012-09-06 | Chong-Han Tsai | Packaging Structure for Plural Bare Chips |
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JP2000251514A (en) * | 1999-03-03 | 2000-09-14 | Nec Corp | Reflection type lighting system for illuminating object |
JP4254141B2 (en) * | 2001-07-30 | 2009-04-15 | 日亜化学工業株式会社 | Light emitting device |
JP2005038776A (en) | 2003-07-17 | 2005-02-10 | Sony Corp | Light guide plate and its manufacturing method, surface light emitting device, and liquid crystal display |
KR100657284B1 (en) * | 2004-11-03 | 2006-12-14 | 삼성전자주식회사 | Back light unit and liquid display apparatus employing it |
TWI396015B (en) | 2005-11-30 | 2013-05-11 | Showa Denko Kk | Light guide member, planar light source device provided with the light guide member, and display apparatus using the planar light source device |
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JP4790651B2 (en) * | 2006-03-23 | 2011-10-12 | 昭和電工株式会社 | Surface light source device and display device using the surface light source device |
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JP4245014B2 (en) * | 2006-08-09 | 2009-03-25 | ソニー株式会社 | Backlight device, light source device, lens, electronic device and light guide plate |
JP4613947B2 (en) * | 2007-12-07 | 2011-01-19 | ソニー株式会社 | Illumination device, color conversion element, and display device |
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KR20140109103A (en) * | 2013-03-05 | 2014-09-15 | 주식회사 엘엠에스 | Optical sheet structure |
JP6506999B2 (en) * | 2014-08-29 | 2019-04-24 | 株式会社エンプラス | Light flux control member, light emitting device, surface light source device and display device |
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-
2017
- 2017-02-06 JP JP2018508493A patent/JP6906500B2/en active Active
- 2017-02-06 WO PCT/JP2017/004220 patent/WO2017169123A1/en active Application Filing
- 2017-02-06 US US16/077,315 patent/US10539733B2/en active Active
- 2017-02-06 CN CN201780013546.2A patent/CN108701742B/en active Active
- 2017-02-06 EP EP17773672.5A patent/EP3447807B1/en active Active
- 2017-02-06 CN CN202111462328.1A patent/CN114188464A/en active Pending
-
2021
- 2021-06-29 JP JP2021108026A patent/JP7190003B2/en active Active
Patent Citations (4)
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JP2007294191A (en) * | 2006-04-24 | 2007-11-08 | Fujifilm Corp | Light guide plate and planar lighting device using the same |
JP2009150940A (en) * | 2007-12-18 | 2009-07-09 | Toppan Printing Co Ltd | Optical sheet, back light unit, back light device, and display device |
WO2012023459A1 (en) * | 2010-08-20 | 2012-02-23 | シャープ株式会社 | Illuminating device, display device and television receiver |
US20120224366A1 (en) * | 2011-03-02 | 2012-09-06 | Chong-Han Tsai | Packaging Structure for Plural Bare Chips |
Also Published As
Publication number | Publication date |
---|---|
JPWO2017169123A1 (en) | 2019-02-07 |
EP3447807B1 (en) | 2023-09-06 |
US20190049651A1 (en) | 2019-02-14 |
CN114188464A (en) | 2022-03-15 |
CN108701742A (en) | 2018-10-23 |
JP7190003B2 (en) | 2022-12-14 |
WO2017169123A1 (en) | 2017-10-05 |
EP3447807A1 (en) | 2019-02-27 |
US10539733B2 (en) | 2020-01-21 |
JP6906500B2 (en) | 2021-07-21 |
CN108701742B (en) | 2021-12-21 |
JP2021166190A (en) | 2021-10-14 |
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